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I have tried this stuff before and I can't get it to do much of anything. Is there a trick to it? Do I not wait long enough?
John

Joe,
I wonder why they even put that stuff in pop anyway?:eek: I mean how much Phosphoric acid does your body need in a day?:confused:


Another thing to try is Sodium Hydoxide. This is a very...

CHevyboy,

My oldest brother used to build aluminum truck bodies and he used Phosphoric acid to clean them with, that how I found out about it.
John

BIG,

It is readily available at most stores that sell A/C equipment. Check the concentration of Phosphoic acid to other ingredients, as you want the highest concentration you can get. If you can...

Try a llittle phosphoric acid on them. You will be surprised how bright clean they look. Don't use it on polished aluminum as it will dull the finish but on cast it works great. You can find it at...